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Finding the Fourth Proportional to 66,957.66, 100,241.42 and 35,292.33

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Solution

The fourth proportional to 66,957.66, 100,241.42 and 35,292.33 is: 52,835.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,957.66 : 100,241.42 = 35,292.33 : x
  2. Step 2: Convert to fraction form
    66,957.66/100,241.42 = 35,292.33/x
  3. Step 3: Cross multiply
    66,957.66x = 100,241.42 × 35,292.33
  4. Step 4: Simplify right side
    66,957.66x = 3,537,753,097.85
  5. Step 5: Solve for x
    x = 3,537,753,097.85/66,957.66
  6. Step 6: Final answer
    x = 52,835.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.